Method of producing p-hydroxyphenylalkanols
US6717020B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2003 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Mar 27, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are a method of producing p-hydroxyphenylalkanol of formula(I): wherein R1 and R2 independently represent hydrogen, an alkyl or a phenyl which may be substituted with an alkyl, or the like, R3, R4, R5, R6 and R7 independently represent hydrogen, an alkyl or the like and n denotes an integer from 0 to 7, the method being characterized in that a phenol compound of formula (II): wherein R1 and R2 respectively represent the aforementioned meaning, is reacted with an unsaturated alcohol of formula (III):R3R4C═C(R5)—C(R6)(R7)—(CH2)n—OH  (III)wherein R3, R4, R5, R6, R7 and n respectively represent the same as defined above, in the presence of (A) at least one compound selected from the group consisting of alkali metals, alkali metal compounds, alkaline earth metals and alkaline earth metal compounds and (B) at least one compound selected from the group consisting of transition metals and transition metal compounds, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.